ani10 ani10
  • 15-09-2016
  • Mathematics
contestada

Solve 12x-4y=20 for y

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dasetka
dasetka dasetka
  • 18-09-2016
12x - 4y = 20   Subtract 12x from both sides
       -4y = -12x + 20   Divide both sides by -4
          y = 3x - 5
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